If you are smart, you will make 'loose' contact in the car park of by the rack of tourist leaflets (you browse), then you walk past reception, hold the door open as if you are being a gentleman. You chat as if old friends so as not to draw attention. It's not difficult, you need to act confidently.
Another option, if youve a ground floor room facing the car park is to pass the keycard to he through the window.
In any event, she's a business colleague and she needs data from your laptop....